diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2007-02-14 00:34:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-14 08:09:59 -0800 |
| commit | 1ff007eb8e8c7c44e9a384a67d0fdd0fd06ba811 (patch) | |
| tree | 01ed52bee21a39302ccfd49315a79806506177c7 | |
| parent | 805b5d5e063e7fde5e2eb724e3f4cb18e47cab19 (diff) | |
| download | linux-3.10-1ff007eb8e8c7c44e9a384a67d0fdd0fd06ba811.tar.gz linux-3.10-1ff007eb8e8c7c44e9a384a67d0fdd0fd06ba811.tar.bz2 linux-3.10-1ff007eb8e8c7c44e9a384a67d0fdd0fd06ba811.zip | |
[PATCH] sysctl: allow sysctl_perm to be called from outside of sysctl.c
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/sysctl.h | 2 | ||||
| -rw-r--r-- | kernel/sysctl.c | 10 |
2 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 72ba58b362d..9698ac30f55 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -925,8 +925,10 @@ enum #include <linux/list.h> /* For the /proc/sys support */ +struct ctl_table; extern struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev); extern void sysctl_head_finish(struct ctl_table_header *prev); +extern int sysctl_perm(struct ctl_table *table, int op); extern void sysctl_init(void); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index c3e2ac9cb5f..6bbac5ce75e 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1157,7 +1157,7 @@ asmlinkage long sys_sysctl(struct __sysctl_args __user *args) #endif /* CONFIG_SYSCTL_SYSCALL */ /* - * ctl_perm does NOT grant the superuser all rights automatically, because + * sysctl_perm does NOT grant the superuser all rights automatically, because * some sysctl variables are readonly even to root. */ @@ -1172,7 +1172,7 @@ static int test_perm(int mode, int op) return -EACCES; } -static inline int ctl_perm(ctl_table *table, int op) +int sysctl_perm(ctl_table *table, int op) { int error; error = security_sysctl(table, op); @@ -1199,7 +1199,7 @@ repeat: if (n == table->ctl_name) { int error; if (table->child) { - if (ctl_perm(table, 001)) + if (sysctl_perm(table, 001)) return -EPERM; name++; nlen--; @@ -1228,7 +1228,7 @@ int do_sysctl_strategy (ctl_table *table, op |= 004; if (newval) op |= 002; - if (ctl_perm(table, op)) + if (sysctl_perm(table, op)) return -EPERM; if (table->strategy) { @@ -1498,7 +1498,7 @@ static ssize_t do_rw_proc(int write, struct file * file, char __user * buf, goto out; error = -EPERM; op = (write ? 002 : 004); - if (ctl_perm(table, op)) + if (sysctl_perm(table, op)) goto out; /* careful: calling conventions are nasty here */ |